<u>Answer</u>
10 feet
<u>Explanation</u>
The Occupational Safety and Health Administration (OSHA) requires one to be not less than 10 feet from overhead power lines that are 0-50,000 v for him or her safety suppose. High voltages above 50 Kv needs a bigger distance that 10 feet.
When current is flowing through a conductor, it produces an electric fields all around it. These fields spreads far from the conductor depending on the current flowing in it. When this fields are strong enough the can cause electrocution.
Answer:
The Chinese began experimenting with the gunpowder-filled tubes. At some point, they attached bamboo tubes to arrows and launched them with bows. Soon they discovered that these gunpowder tubes could launch themselves just by the power produced from the escaping gas. The true rocket was born.
Explanation:
Answer: 5.5 ×10^-2 ×3R. Non metals that are solid at room temperature has mono atomic atoms that has only 3 translational modes.
This is why their constant volume molar heat capacities are measured in multiples of 3R.
Explanation: see attachment